Gun lock



FIG. 1 is an exploded perspective view of the gun lock showing the new design;

FIG. 2 is a right side view of the gun lock of FIG. 1;

FIG. 3 is a left side view of the gun lock of FIG. 1;

FIG. 4 is a bottom view of the gun lock of FIG. 1;

FIG. 5 is a top view of the gun lock of FIG. 1;

FIG. 6 is a rear end view of the gun lock of FIG. 1; and,

FIG. 7 is a front end view of the gun lock shown in FIG. 1.

The portions of the Figures shown in phantom lines are not part of the claimed design but are for illustration only. 

The ornamental design for a gun lock, as shown and described. 